Home / 39,927.27-55,097.65-22,021.21

Finding the Fourth Proportional to 39,927.27, 55,097.65 and 22,021.21

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Solution

The fourth proportional to 39,927.27, 55,097.65 and 22,021.21 is: 30,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.27 : 55,097.65 = 22,021.21 : x
  2. Step 2: Convert to fraction form
    39,927.27/55,097.65 = 22,021.21/x
  3. Step 3: Cross multiply
    39,927.27x = 55,097.65 × 22,021.21
  4. Step 4: Simplify right side
    39,927.27x = 1,213,317,017.56
  5. Step 5: Solve for x
    x = 1,213,317,017.56/39,927.27
  6. Step 6: Final answer
    x = 30,388.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.